Ct carotid and cerebral angiography

1. CT CAROTID AND
CEREBRAL
ANGIOGRAPHY
PRESENTED BY:-
MITHLESH KUMAR SHAH
CUN130702015

2. WHAT IS CT CAROTID AND
CEREBRAL
ANGIOGRAPHY??
•CT Carotid and cerebral angiography
is the study of neck arteries(Carotid
arteries) and arteries of brain(cerebral
arteries) ,(Circle of willis) by using CT
SCANNER .

3. INSTRUMENTS USED FOR
ANGIOGRAPHY?
• CT SCANNER
• PRESSURE INJECTOR
• CONTRAST MEDIA
• SYRINGES
• NORMAL SALINE
• DEFRIBILLATORS AND EMERGENCY DRUGS TROLLEY
• OTHER MATERIALS REQUIRED FOR CANNULA
INSERTION(gauze piece, needles etc.)

4. PATIENT
PREPARATION
•4-5 hrs of fasting required.
•Sedation is required in case of unstable patient.
•History of allergy is taken.
•Previous patient record is checked.
•Consent to be filled by the guardian of patient.

5. INDICATIONS
:-
• Aneurysm
• Narrowing of arteries in the brain
• Abnormal blood vessels.
• Narrowing or blockage of carotid arteries.
• Stenosis
• To determine future risk of stroke
• Stricture of the Carotid arteries.

6. CONTRAINDICATION
S
•Pregnancy
•Allergic to Contrast media.
•Weak kidney
function.(Creatnine level too
high)

7. BRAIN ARTERIES
(CEREBRAL ARTERIES OR CIRCLE OF
WILLIS)

8. NECK ARTERIES
OR
CAROTID
ARTERIES

9. PROCEDURE
Cannula is inserted if required.
Plain CT images are obtained of neck and brain.
Normal saline 25ml and 100ml contrast is used.
If creatinine is normal then omnipaque is given else
visipaque is used.
Contrast is then injected by the help of pressure injector.
Images are then obtained of the arteries.
Post processing and VRT images are produced using special
3D ,4D applications.

10. CONTRAST WHICH MAY BE
USED

11. PATHOLOG
Y

12. REFERENCES
• CT teaching Manual Book by Matthias Hofer
• HOD Dr.Suruchi Chopra Fortis Escorts Hospital Amritsar
• Mr.Michael Masih , Radiology Supervisor Fortis Escorts Amritsar
• Mr.Sanjeet Kumar Senior Ct technician Fortis Escorts.